1 files changed, 58 insertions, 0 deletions
diff --git a/lib/tls13/psk_ext_parser.h b/lib/tls13/psk_ext_parser.h
new file mode 100644
index 0000000..f46b211
--- /dev/null
+++ b/lib/tls13/psk_ext_parser.h
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2017 Free Software Foundation, Inc.
+ *
+ * Author: Ander Juaristi
+ *
+ * This file is part of GnuTLS.
+ *
+ * The GnuTLS is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>
+ *
+ */
+
+#ifndef GNUTLS_LIB_TLS13_PSK_EXT_PARSER_H
+#define GNUTLS_LIB_TLS13_PSK_EXT_PARSER_H
+
+struct psk_ext_parser_st {
+	const unsigned char *identities_data;
+	size_t identities_len;
+
+	const unsigned char *binders_data;
+	size_t binders_len;
+};
+
+typedef struct psk_ext_parser_st psk_ext_parser_st;
+typedef struct psk_ext_parser_st psk_ext_iter_st;
+
+struct psk_st {
+	/* constant values */
+	gnutls_datum_t identity;
+	uint32_t ob_ticket_age;
+};
+
+int _gnutls13_psk_ext_parser_init(psk_ext_parser_st *p,
+				  const unsigned char *data, size_t len);
+
+inline static
+void _gnutls13_psk_ext_iter_init(psk_ext_iter_st *iter,
+				 const psk_ext_parser_st *p)
+{
+	memcpy(iter, p, sizeof(*p));
+}
+
+int _gnutls13_psk_ext_iter_next_identity(psk_ext_iter_st *iter,
+					 struct psk_st *psk);
+int _gnutls13_psk_ext_iter_next_binder(psk_ext_iter_st *iter,
+				       gnutls_datum_t *binder);
+
+#endif /* GNUTLS_LIB_TLS13_PSK_EXT_PARSER_H */